Darrell Charles HagenDarrell Charles Hagen, age 79, of Helena, died March 11, 2022, from a spontaneous brain bleed and complications following brain surgery.Born July 22, 1942, in Noonan, North Dakota, Darrell spent his childhood years in Crosby, ND, moving with his family to Scobey, MT, in 1952. He graduated from Scobey High School in 1960. His parents were Eleanor (Rude) and Tom Hagen.After graduating from high school, Darrell enlisted in the United States Marine Corps. While in the Corps, he served in Japan (1961), South Vietnam (1962) and Okinawa (1963) with the First Marine Air Wing.After an honorable discharge from the Marine Corps, Darrell graduated from the University of Montana with a degree in mathematics in 1968. He was a member of Phi Kappa Phi national honor society and Pi Mu Epsilon mathematics honor society. He received his Masters degree in mathematics from Colorado State University in 1971.While in Missoula, he met and married the love of his life, June Wilson, on June 27, 1968. The couple raised two wonderful daughters, Sara and Jenny.As a computer programmer, systems analyst and in various managerial positions, Darrell worked for Bell Laboratories near Chicago, the Montana Department of Transportation, Det norske Veritas in Oslo, Norway, and the Montana Department of Administration.Darrell began his teaching career at West Texas State University in Canyon, Texas, in 1971. He was an adjunct faculty member at Carroll College from 1974-1986. He became a member of Carroll's full-time faculty in 1986, retiring as an Associate Professor of computer science in 2005. In 1989 he was awarded the Burlington Northern Outstanding Teacher Award. In 1996 Darrell served as the Interim Vice President for Academic Affairs and Dean of the College.Darrell left Carroll College for the 1996-97 school year when he served as Associate Dean and Chief Academic Officer of UM-Helena.The three career paths in Darrell's life were computer science, higher education and the military. In addition to his years in the Marine Corps, he faithfully served his country in the Navy Reserve from 1975 to 1999, retiring as a Commander. While in the Navy Reserve, he was the Commanding Officer of five different reserve units in Montana and Idaho.In his younger years, Darrell was an avid runner, competing in the Governor's Cup Marathon and his favorite run on Mt. Helena. After retirement, Darrell became an accomplished woodcarver.Darrell will be remembered as an open and accessible man whose smile radiated warmth and humor; as one whose mediation skills were sought by all who worked with him; by his students as a favorite professor and mentor; and foremost, as a devoted husband, father and grandfather. The greatest joy in his life was being "Papa" to Tyler and David Hull and Paige and Allison McJannet.He was preceded in death by his parents. Survivors include his wife of 53 years and best friend, June; daughter Sara Hagen Hull of Missoula and beloved Grandsons Tyler and David Hull; daughter and son-in-law Jenny and Patrick McJannet and beloved granddaughters Paige and Allison McJannet of Helena; sister Susan Hagen of Scobey; brothers Rodney Hagen (Jewel) of Billings and Jon Hagen (Karen) of San Diego, California; and numerous nieces and nephews.At Darrell's request, no service will be held. Cremation has taken place. Memorials may be sent to the Good Samaritan Ministries or Food Share of Helena. A celebration of life will be held at Bert & Ernie's on Saturday, March 19, at 3:00 p.m. Proper attire is blue jeans and Griz wear.